it stars jane tennant head of the field office. >> i'm excited to be a part of this franchise, and i'mhe different layers of what jane tennant can do being the first female special agent in charge of "ncis" as well as a mother of two. >> reporter: original cast members william peterson and jorja fox return to cbs wednesday nights for "csi vegas." they're joined by paula newsom who plays the leader of the forensics team. >> we get to incorporate all that, all that science, all that new technology that takes us deeper into the truth. >> reporter: tuesday nights belong to the fbi franchise. the original drama kicks off the night followed by the latest installment "fbi international," then "fbi most wanted" rounds out the night. >> this is "old house 101." you light this stuff, and it wards off evil spirits. >> what did she say? >> reporter: "ghosts" about a couple who become the owner of a haunted estate joins the thursday night lineup. ? this can't be real. >> reporter: debuting later in the melodrama "good sam" starring sophia bush and "smallwood" smallwood. danya bacchus, cbs news, los